<script type="text/javascript">
var weekday =["星期日","星期一","星期二","星期三","星期四","星期五","星期六",];
var nowdate =new Date();
var day =nowdate.getDate();
var w =nowdate.getDay();
var wday=weekday[w];
var mon =nowdate.getMonth();
var year=nowdate.getFullYear();
//通过javascript的日期对象来得到当前的日期,并输出。
document.write(year+"年"+mon+"月"+day+"日"+" "+wday+"--班级总分为:")
//成绩是一长窜的字符串不好处理,找规律后分割放到数组里更好
//从数组中将成绩撮出来,然后求和取整,并输出。
var scoreStr = "小明:87;小花:81;小红:97;小天:76;小张:74;小小:94;小西:90;小伍:76;小迪:64;小曼:76";
var f = scoreStr.split(";");
var k=0,sum=0;
var s;
while (k<f.length){
s=f[k].split(":");
k++;
sum+=parseInt(s[s.length-1]);
}
document.write(sum/f.length);
</script>